135830781178583 has 2 divisors, whose sum is σ = 135830781178584. Its totient is φ = 135830781178582.

The previous prime is 135830781178487. The next prime is 135830781178637. The reversal of 135830781178583 is 385871187038531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135830781178583 - 2⁸ = 135830781178327 is a prime.

It is a super-2 number, since 2×135830781178583² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135830781678583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67915390589291 + 67915390589292.

It is an arithmetic number, because the mean of its divisors is an integer number (67915390589292).

Almost surely, 2^{135830781178583} is an apocalyptic number.

135830781178583 is a deficient number, since it is larger than the sum of its proper divisors (1).

135830781178583 is an equidigital number, since it uses as much as digits as its factorization.

135830781178583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135475200, while the sum is 68.

The spelling of 135830781178583 in words is "one hundred thirty-five trillion, eight hundred thirty billion, seven hundred eighty-one million, one hundred seventy-eight thousand, five hundred eighty-three".